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#216D8A

#216d8a ≈ Sea Blue

  • azure
  • Lightness: low
  • Saturation: moderate
  • Cool
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#216d8a is a color from the azure family, with low lightness and moderate saturation. In the RGB model it is made of 12.94% red, 42.75% green and 54.12% blue; printed in CMYK it uses 76.09% cyan, 21.01% magenta, 0% yellow and 45.88% black. Its hue angle is 196.57°, with 61.4% saturation and 33.53% lightness in HSL. It is a cool color, often associated with openness, freedom and calm. Designers typically use it for technology products, finance and banking and corporate identities. White text on this color reaches a contrast ratio of 5.8:1 (WCAG AA). The closest named color is Sea Blue (#006994), ΔE 4.44.

Description generated from the measured properties of this color.

HEX
RGB
RGB percent
CMY
CMYK
HSL
HSV / HSB
Web safe#336699
CIE-LAB
XYZ
xyY
CIE-LCH
CIE-LUV
Hunter-Lab
OKLab
Binary
Decimal
Relative luminance0.131

Complementary

  1. #216d8a
  2. #8a3e21

Split complementary

  1. #216d8a
  2. #8a2139
  3. #8a7221

Analogous

  1. #218a72
  2. #216d8a
  3. #21398a

Triadic

  1. #216d8a
  2. #8a216d
  3. #6d8a21

Tetradic

  1. #216d8a
  2. #3e218a
  3. #8a3e21
  4. #6d8a21

Square

  1. #216d8a
  2. #72218a
  3. #8a3e21
  4. #398a21

Monochromatic

  1. #040d10
  2. #123c4c
  3. #216d8a
  4. #309ec8
  5. #69bcdb

Shades

#216d8a mixed progressively with black.

  1. #216d8a
  2. #1e627c
  3. #1a576e
  4. #174c61
  5. #144153
  6. #113745
  7. #0d2c37
  8. #0a2129
  9. #07161c
  10. #030b0e
  11. #000000

Tints

#216d8a mixed progressively with white.

  1. #216d8a
  2. #377c96
  3. #4d8aa1
  4. #6499ad
  5. #7aa7b9
  6. #90b6c5
  7. #a6c5d0
  8. #bcd3dc
  9. #d3e2e8
  10. #e9f0f3
  11. #ffffff

Tones

#216d8a mixed progressively with gray.

  1. #216d8a
  2. #2b6f89
  3. #347188
  4. #3e7387
  5. #477586
  6. #517785
  7. #5a7884
  8. #647a83
  9. #6d7c82
  10. #777e81
  11. #808080

Readable text 5.8:1 AA ✓ AA Large ✓ AAA ✕ AAA Large ✓
Readable text 3.62:1 AA ✕ AA Large ✓ AAA ✕ AAA Large ✕

Achromatopsia #656565 ≈ 0.003% of males
Achromatomaly #526876 ≈ 0.001% of males
Protanopia #5e6b8b ≈ 1.01% of males
Deuteranopia #50618a ≈ 1.27% of males
Tritanopia #007577 ≈ 0.0001% of males
Protanomaly #4c6c8b ≈ 1.08% of males
Deuteranomaly #41668a ≈ 4.63% of males
Tritanomaly #00727f ≈ 0.0002% of males
Simulate on your own image

Text in this color

Background in this color

Border in this color

Text color
.text-216d8a {
  color: #216d8a;
}
Background
.bg-216d8a {
  background-color: #216d8a;
  color: #ffffff;
}
Border
.border-216d8a {
  border: 2px solid #216d8a;
}
CSS variables
:root {
  --color-primary: #216d8a;
  --color-primary-rgb: 33 109 138;
  --color-primary-hsl: 197 61% 34%;
}
Gradient
.gradient-216d8a {
  background: linear-gradient(135deg, #216d8a, #21398a);
}
Colored shadow
.shadow-216d8a {
  box-shadow: 0 8px 24px rgb(33 109 138 / 0.35);
}

#006994 Sea Blue ΔE 4.44 #367588 Teal Blue ΔE 4.69 #007ba7 Cerulean ΔE 6.32 #436b95 Queen Blue ΔE 8.77 #0067a5 Medium Persian Blue ΔE 8.77 #0072bb French Blue ΔE 10.19 #26619c Lapis Lazuli ΔE 10.23 #de9275 Inverted #656565 Grayscale 

Sea Blue
#216d8a  rgb(33, 109, 138)  hsl(197, 61%, 34%)  Sea Blue
#8a3e21  rgb(138, 62, 33)  hsl(17, 61%, 34%)  Kobe
#8a216d  rgb(138, 33, 109)  hsl(317, 61%, 34%)  Byzantium
#6d8a21  rgb(109, 138, 33)  hsl(77, 61%, 34%)  Olive Drab